Abstract: Disclosed are a phosphor sheet capable for converting light from LEDs into white light, a white light source device including the phosphor sheet, and a display device including the white light source device. The disclosed phosphor sheet includes a phosphor layer containing at least a phosphor and a resin; and a pair of transparent substrates sandwiching the phosphor layer. The phosphor sheet comprises a coloring material having an absorption maximum wavelength of at least one of from 480 nm to 510 nm or from 570 nm to 620 nm. The coloring material is contained in the phosphor layer. The transparent substrates are adhered to both surfaces of the phosphor layer. the phosphor layer has a thickness of 20 ?m to 200 ?m. An indicator of the usage amount of the coloring material defined by the following formula is 0.003 to 0.

Abstract: Provided is a partial drive-type light source device including an excitation light source that is formed from a plurality of light-emitting elements and is partially drivable, a phosphor sheet disposed at a position separated from the excitation light source and containing a phosphor that converts at least part of a wavelength region of incident light from the excitation light source and releases emitted light in a wavelength region differing from the incident light, and a wavelength-selective reflection film that is disposed between the excitation light source and the phosphor sheet and that transmits at least part of light in the wavelength region of the incident light from the excitation light source and reflects at least part of light in the wavelength region of the emitted light from the phosphor sheet.

Abstract: Disclosed are a phosphor sheet capable of improving color purity of each of RGB reproduced through a color filter, a white light source device including the phosphor sheet, and a display device including the white light source device. The disclosed phosphor sheet is a phosphor sheet for converting LED light into white light, including: a phosphor layer containing at least a phosphor and a resin; and a pair of transparent substrates sandwiching the phosphor layer, in which the phosphor sheet includes a coloring material having an absorption maximum wavelength of at least one of from 480 nm to 510 nm or from 570 nm to 620 nm.

Abstract: Provided is a partial drive-type light source device including an excitation light source that is formed from a plurality of light-emitting elements and is partially drivable, a phosphor sheet disposed at a position separated from the excitation light source and containing a phosphor that converts at least part of a wavelength region of incident light from the excitation light source and releases emitted light in a wavelength region differing from the incident light, and a wavelength-selective reflection film that is disposed between the excitation light source and the phosphor sheet and that transmits at least part of light in the wavelength region of the incident light from the excitation light source and reflects at least part of light in the wavelength region of the emitted light from the phosphor sheet.

Abstract: Disclosed are a phosphor sheet capable for converting light from LEDs into white light, a white light source device including the phosphor sheet, and a display device including the white light source device. The disclosed phosphor sheet includes a phosphor layer containing at least a phosphor and a resin; and a pair of transparent substrates sandwiching the phosphor layer. The phosphor sheet comprises a coloring material having an absorption maximum wavelength of at least one of from 480 nm to 510 nm or from 570 nm to 620 nm. The coloring material is contained in the phosphor layer. The transparent substrates are adhered to both surfaces of the phosphor layer. the phosphor layer has a thickness of 20 ?m to 200 ?m. An indicator of the usage amount of the coloring material defined by the following formula is 0.003 to 0.

Abstract: Provided is a partial drive-type light source device capable of suppressing coloring of a section intended to be a dark section when a plurality of light-emitting elements is driven in a partial manner. The partial drive-type light source device includes an excitation light source, a phosphor sheet that is disposed at a position separated from the excitation light source and contains a phosphor that releases emitted light in a wavelength region differing from incident light, and a wavelength-selective reflection film that is disposed between the excitation light source and the phosphor sheet and that transmits at least part of light in the wavelength region of the incident light from the excitation light source and reflects at least part of light in the wavelength region of the emitted light from the phosphor sheet.

Abstract: Disclosed are a phosphor sheet capable of improving color purity of each of RGB reproduced through a color filter, a white light source device including the phosphor sheet, and a display device including the white light source device. The disclosed phosphor sheet is a phosphor sheet for converting LED light into white light, including: a phosphor layer containing at least a phosphor and a resin; and a pair of transparent substrates sandwiching the phosphor layer, in which the phosphor sheet includes a coloring material having an absorption maximum wavelength of at least one of from 480 nm to 510 nm or from 570 nm to 620 nm.

Abstract: Provided is a partial drive-type light source device capable of suppressing coloring of a section intended to be a dark section when a plurality of light-emitting elements is driven in a partial manner. The partial drive-type light source device includes an excitation light source, a phosphor sheet that is disposed at a position separated from the excitation light source and contains a phosphor that releases emitted light in a wavelength region differing from incident light, and a wavelength-selective reflection film that is disposed between the excitation light source and the phosphor sheet and that transmits at least part of light in the wavelength region of the incident light from the excitation light source and reflects at least part of light in the wavelength region of the emitted light from the phosphor sheet.

Abstract: Provided is a wavelength conversion member that can be produced at low cost and can suppress temporal variation in the chromaticity of light when used in a light source device. The wavelength conversion member contains: a phosphor that performs wavelength conversion of at least a portion of incident light and releases emitted light of a different wavelength to the incident light; a light diffusing element that diffuses either or both of the incident light and the emitted light; and a base material that holds the light diffusing element. The light diffusing element is a silicone resin, and the base material includes a hydrogenated styrene copolymer.

Abstract: A capacitance element body is configured by two or more capacitors, the capacitors being formed of a dielectric layer and at least three internal electrodes, the internal electrodes each being laminated via the dielectric layer and arranged to allow a center of gravity of an electrode body forming electrostatic capacitance to be arranged on a straight line in a lamination direction. In the capacitance element body, said two or more capacitors are serially connected in a lamination direction of the internal electrodes. Furthermore, external terminals, each being electrically connected to an electrode body forming electrostatic capacitance, are formed in side surfaces of the capacitance element body.

Abstract: To suppress changes in capacitance due to displacement between electrodes opposing each other across a dielectric layer, thereby allowing stable manufacturing of a capacitance device having a desired capacitance. A capacitance device is of a configuration including a dielectric layer, a first electrode formed on a predetermined surface of the dielectric layer, and a second electrode formed on a surface on the opposite side of the dielectric layer from the predetermined surface. The forms of the first and second electrodes are set so that even in the event that the first electrode is relatively displaced regarding position in a predetermined direction as to the second electrode, the area of the opposing-electrode region between the first electrode and to the second electrode is unchanged.

Abstract: The present disclosure is to improve electric characteristics in a capacitance device (device) including capacitors connected in series in a direction in which internal electrodes are laminated. Three capacitors are formed by dielectric layers (3) and four internal electrodes (30 to 33) laminated via the dielectric layers (3). The internal electrodes (30 to 33) each have an electrode body forming a capacitance, and centers of gravity of these electrode bodies are aligned on an axis formed by a straight line extending in the lamination direction. A device includes two variable capacitance units (40 and 41) each including the capacitors connected in series in the lamination direction, and external terminals formed on lateral surfaces of a variable capacitance device body (2). The axes of the variable capacitance units (40 and 41) are arranged in parallel with each other. A current flows in opposite directions in the two adjacent capacitance units.

Abstract: To provide a capacitive device capable of accurately securing a capacitance value, a variable capacitive device capable of sufficiently securing a capacity variability rate, and a resonance circuit that uses the capacitive devices. A capacitive device includes a capacitive device body constituted of a dielectric layer and at least a pair of capacitive device electrodes that sandwich the dielectric layer and cause a desired electric field in the dielectric layer; and stress adjustment portions to adjust a stress caused in the dielectric layer of the capacitive device body.

Abstract: A capacitance element includes a first electrode, a second electrode, a third electrode, a fourth electrode, a first dielectric portion, a second dielectric portion, and a third dielectric portion. To the first electrode, a signal having a first polarity is applied. To the second electrode, a signal having a second polarity is applied. The second polarity is opposite to the first polarity. To the third electrode, the signal having the second polarity is applied. The third electrode is disposed on a position opposed to the second electrode. To the fourth electrode, the signal having the first polarity is applied. The first dielectric portion is provided between the first electrode and the second electrode. The second dielectric portion is provided between the second electrode and the third electrode. The third dielectric portion is provided between the third electrode and the fourth electrode.

Abstract: A capacitance element body 2 is configured by two or more capacitors, the capacitors being formed of a dielectric layer 3 and at least three internal electrodes, the internal electrodes each being laminated via the dielectric layer 3 and arranged to allow a center of gravity of an electrode body forming electrostatic capacitance to be arranged on a straight line in a lamination direction. In the capacitance element body 2, said two or more capacitors are serially connected in a lamination direction of the internal electrodes. Furthermore, external terminals 20 to 23, each being electrically connected to an electrode body forming electrostatic capacitance, are formed in side surfaces of the capacitance element body 2.

Abstract: Provided is a production method of an electrostatic capacitance element, including preparing a dielectric sheet on which a conductor is not being applied, and a mask that has at least one basic pattern shape, making a basic-pattern green sheet by applying the conductor on the dielectric sheet through the mask, making a rotated basic-pattern green sheet in which the basic-pattern green sheet is rotated, making a laminate of the basic-pattern green sheet and the rotated basic-pattern green sheet, making a reversed basic-pattern green sheet by reversing at least one of the basic-pattern green sheet or rotated basic-pattern green sheet, laminating the reversed basic-pattern green sheet on the laminate with a dielectric sheet, on which a conductor is not being applied, interposed therebetween, and performing compression-bonding and baking treatments of a laminate of the basic-pattern green sheet, the rotated basic-pattern green sheet, the dielectric sheet and the reversed basic-pattern green sheet.

Abstract: There is provide an electrostatic capacitance element including a dielectric layer, a capacitance element body configured to include at least a pair of internal electrodes formed with the dielectric layer interposed therebetween, and an external terminal configured to be formed on a side surface of the capacitance element body and electrically connected to the internal electrode. Further, stress occurring due to a difference in a linear expansion coefficient between the dielectric layer and the internal electrode is concentrated on a center of a capacitor configured with the dielectric layer and the pair of internal electrodes between which the dielectric layer is interposed.

Abstract: To suppress changes in capacitance due to displacement between electrodes opposing each other across a dielectric layer, thereby allowing stable manufacturing of a capacitance device having a desired capacitance. The capacitance device according to the present invention is of a configuration including a dielectric layer (10), a first electrode (11) formed on a predetermined surface (10a) of the dielectric layer (10), and a second electrode (12) formed on a surface (10b) on the opposite side of the dielectric layer (10) from the predetermined surface (10a). The forms of the first and second electrodes (11, 12) are set so that even in the event that the first electrode (11) is relatively displaced regarding position in a predetermined direction as to the second electrode (12), the area of the opposing-electrode region between the first electrode (11) and to the second electrode (12) is unchanged.

Abstract: To suppress changes in capacitance due to displacement between electrodes opposing each other across a dielectric layer, thereby allowing stable manufacturing of a capacitance device having a desired capacitance. The capacitance device according to the present invention is of a configuration including a dielectric layer (10), a first electrode (11) formed on a predetermined surface (10a) of the dielectric layer (10), and a second electrode (12) formed on a surface (10b) on the opposite side of the dielectric layer (10) from the predetermined surface (10a). The forms of the first and second electrodes (11, 12) are set so that even in the event that the first electrode (11) is relatively displaced regarding position in a predetermined direction as to the second electrode (12), the area of the opposing-electrode region between the first electrode (11) and to the second electrode (12) is unchanged.

Abstract: A resin composition includes a polyester capable of forming a crystal structure, and a substance represented by the following general structural formula (1), the substance represented by the following general structural formula (1) has a dehydration-condensed structure of two molecules of natural product-derived ?-amino acids or a substitution structure thereof, and the two molecules of ?-amino acids are not simultaneously glycine. In the above general structural formula, R1, R2, R3, and R4 indicate groups or substituent groups thereof bonded to the ? carbons of the ?-amino acids.